Math, asked by somnathpaul, 1 year ago

find the value of 1²+2²+..…....+25²

Answers

Answered by AR17
2
Heya user !!!

Here's the answer you are looking for

Please see the attached file for your answer ☺️

★★ HOPE THAT HELPS ☺️ ★★
Attachments:
Answered by Ankit1408
2
hello friends..
Question:- find the value of 1²+2²+..…....+25²

Solution:-
we know that.
1²+2²+3²......+n² = n(n+1)(2n+1)/6
here..
1²+2²+3²......+25² = 25(25+1)(2×25+1)/6
= 25×26×51/6=25×13×17= 5525 answer

hence.
1²+2²..........+25²= 5525

## hope it helps##
Similar questions